.problem{
    background: #f4f5f7;
    height: calc(100vh - 4rem);
    .problem_l{
        width: 160px;
        background: #fff;
        margin: 10px;
        .menu{
            .menu_title{
                line-height: 48px;
                background: rgba(34,108,245,0.1);
                border-left: 2px solid #226CF5;
                padding-left: 22px;

            }
            ul{
                line-height: 48px;
                padding-left: 22px;
                li{
                    cursor: pointer;
                }
                li.active{
                    color: #3E75FF;
                }
            }
        }
    }
    .problem_r{
        background: #fff;
        margin: 10px 10px 10px 0;
        width: calc(100% - 200px)
    }
}
.breadcrumb{
    background: #F4F5F7;
    .ant-breadcrumb{
        padding: 5px 0;
        font-size: 12px;
    }
}